CN105391268A - Cylinder-shaped primary permanent magnet type transverse flux linear motor - Google Patents
Cylinder-shaped primary permanent magnet type transverse flux linear motor Download PDFInfo
- Publication number
- CN105391268A CN105391268A CN201510768816.3A CN201510768816A CN105391268A CN 105391268 A CN105391268 A CN 105391268A CN 201510768816 A CN201510768816 A CN 201510768816A CN 105391268 A CN105391268 A CN 105391268A
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- Prior art keywords
- permanent magnet
- iron core
- stator
- linear motor
- transverse flux
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
- H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
- H02K41/033—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type with armature and magnets on one member, the other member being a flux distributor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/17—Stator cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Linear Motors (AREA)
Abstract
The present invention discloses a cylinder-shaped primary permanent magnet type transverse flux linear motor, comprising a permanent magnet type primary and a secondary; wherein the permanent magnet type primary comprises a stator core, an armature winding and permanent magnets; the stator core is in an annular shape, the inner surface of the stator core is provided with stator core teeth which are arranged uniformly, armature winding coils are wound on the stator core teeth, the permanent magnets are installed to the end surfaces of the stator core teeth, and the magnetizing direction of the permanent magnet is radial; the secondary comprises a shaft, magnet separation rings and a rotor core; a plurality of layers of rotor core rings are uniformly distributed along the axial direction, the rotor core rings are separated by the magnet separation rings; each layer of rotor core ring is formed in the way that a plurality of special-shaped fan-shaped rotor cores are staggered at a certain angle successively along the circumferential direction, and the adjacent rotor cores are staggered at a certain distance along the axial direction. The cylinder-shaped primary permanent magnet type transverse flux linear motor of the present invention solves the problems of complex structure, high manufacturing process difficulty, low primary space utilization rate, high secondary inertia, and low power density of a conventional cylinder-shaped transverse flux linear motor.
Description
Technical field
The present invention relates to a kind of cylinder type primary permanent magnet formula transverse flux linear motor, belong to techniques of linear motor field.
Background technology
Linear electric motors are direct is the mechanical energy of rectilinear motion by electric energy conversion, and save middle unnecessary mechanical transmission mechanism, system effectiveness is high, fast response time, and noise is low, easy care, so be widely used in rectilinear motion field.
Tradition permanent-magnetism linear motor is axial magnetic circuit structure, magnetic loading and heat load cross-couplings, and power density is low; And transverse magnetic general formula permanent-magnetism linear motor magnetic loading and heat load decoupling zero, power density and the more traditional permanent-magnetism linear motor of pushing force density high.
Although tradition magneto transverse flux linear motor power density and the more traditional permanent-magnetism linear motor of pushing force density high, but power density also has very large room for promotion, and there is complex structure, problem that large, the elementary space availability ratio of manufacturing process difficulty is on the low side, secondary inertia is higher.
Summary of the invention
Technical problem to be solved by this invention, be the defect overcoming prior art existence, propose a kind of cylinder type primary permanent magnet formula transverse flux linear motor, this electric machine structure is simple, high, the secondary inertia of little, the elementary space availability ratio of manufacturing process difficulty is low, power density is high.
Cylinder type primary permanent magnet formula transverse flux linear motor provided by the invention, comprises magneto primary and secondary; Described magneto is elementary comprises stator core, armature winding and permanent magnet;
Wherein, described stator core in the form of a ring, within it surface is provided with evenly distributed stator iron core tooth, stator iron core tooth is wound with armature winding coil, described permanent magnet is mounted on the end face of stator iron core tooth, form multipole magneto elementary, the adjacent permanent magnet direction of magnetization is contrary, and permanent magnet magnetizing direction is radial;
Described secondary, comprise axle, magnetism-isolating loop and mover iron core, be evenly distributed with some layers of mover iron core ring vertically, spaced apart by magnetism-isolating loop between each layer mover iron core ring, one deck mover iron core ring and magnetism-isolating loop form one group and press-fit on axle; Described every one deck stator core ring is that the certain angle arrangement of circumferentially staggering successively of the fan-shaped mover iron core of some abnormity is formed, this angle is determined according to the logarithm of the number of phases of motor and every phase stator iron core tooth, also stagger between adjacent mover iron core certain distance vertically, and this distance is determined according to the number of pole-pairs of axial permanent magnet under the length of stator core, each stator iron core tooth and the number of phases of motor.
The fan-shaped mover iron core of described abnormity comprises inner side retainer ring and outside annular sector, and the excircle center of described annular sector is provided with groove, and it runs through this mover iron core vertically.
Described stator core length is L, motor is m phase, m is positive integer, m≤2, when under each stator iron core tooth, the number of pole-pairs of axial permanent magnet is p, the described stator core number of teeth is 2nm, and n is the logarithm of every phase stator iron core tooth, motor pole span is L/2p, and the angle that on described same layer stator core ring, mover iron core circumferentially staggers successively is 360 °/nm.
The distance staggered vertically between adjacent mover iron core is L/pm, m is number of motor phases; Wherein, as m=3, the distance staggered vertically between adjacent mover iron core is L/3p or is L/2p.
Described armature winding comprises several coils, each coil is wrapped on stator iron core tooth respectively vertically, wherein, coil on adjacent two stator iron core tooths is a phase, be connected in series between armature winding coil, the logarithm of every phase line number of turns to be 2n, n be every phase stator iron core tooth, the bus number of turns is 2nm, m is number of motor phases.
Described permanent magnet is mounted on stator iron core tooth vertically, form multipole magneto elementary, the axial adjacent permanent magnet direction of magnetization is contrary, and N, S are arranged extremely in pairs, on same position on adjacent two stator iron core tooths of circumference, N, S are arranged extremely in pairs, and the direction of magnetization is radial; When the number of pole-pairs of permanent magnet axial under each stator iron core tooth is p, motor is m phase, and m is positive integer, m≤2, and permanent magnet quantity is 4nmp.
The number of pole-pairs of described magnetism-isolating loop axial length to be L/2p, p be axial permanent magnet under each stator iron core tooth, when motor is m phase time, m is positive integer, m≤2, press-fits a magnetism-isolating loop every m mover iron core.
Described cylinder type primary permanent magnet formula transverse flux linear motor can be generator or motor.
Cylinder type primary permanent magnet formula transverse flux linear motor of the present invention is on the advantage basis inheriting traditional transverse flux linear motor, elementary stator core adopts general electric rotating machine manufacture craft, technique is simple, low cost of manufacture, and axially without magnetism-isolating loop, elementary space availability ratio is high, and power density is high; Permanent magnet is positioned on stator core, and assembling is simple, reliable, resistance to impact is strong, be easy to heat radiation.
Secondary structure is simple and reliable, is evenly distributed with some layers of mover iron core ring vertically, and one deck mover iron core ring and magnetism-isolating loop form one group and press-fit on axle; Every one deck stator core ring is that the certain angle arrangement of circumferentially staggering successively of the fan-shaped mover iron core of some abnormity is formed, and also stagger between adjacent mover iron core certain distance vertically; This kind of structure is without permanent magnet, and inertia is little, and motor dynamics response is fast; Namely this cylinder type primary permanent magnet formula transverse flux linear motor can use as motor, also can use as generator; Namely can be widely used in low-speed high-thrust occasion, also can be used in the occasion high to linear electric motors requirement linear velocity.
Accompanying drawing explanation
Below with reference to accompanying drawing, the invention will be further described:
Fig. 1 is cylinder type primary permanent magnet formula transverse flux linear motor schematic perspective view of the present invention;
Fig. 2 is the elementary schematic perspective view of magneto of cylinder type primary permanent magnet formula transverse flux linear motor of the present invention;
Fig. 3 is the stator core schematic perspective view of cylinder type primary permanent magnet formula transverse flux linear motor of the present invention;
Fig. 4 is the permanent magnet schematic perspective view of cylinder type primary permanent magnet formula transverse flux linear motor of the present invention;
Fig. 5 is the secondary schematic perspective view of cylinder type primary permanent magnet formula transverse flux linear motor of the present invention;
Fig. 6 is the secondary front view of cylinder type primary permanent magnet formula transverse flux linear motor of the present invention;
Fig. 7 is the primary side view of cylinder type primary permanent magnet formula transverse flux linear motor of the present invention;
Fig. 8 is the mover iron core schematic perspective view of cylinder type primary permanent magnet formula transverse flux linear motor of the present invention;
Fig. 9 is the mover iron core front view of cylinder type primary permanent magnet formula transverse flux linear motor of the present invention;
Figure 10 is the magnetism-isolating loop schematic perspective view of cylinder type primary permanent magnet formula transverse flux linear motor of the present invention;
Figure 11 is the front view of cylinder type primary permanent magnet formula transverse flux linear motor of the present invention;
In figure, 100-is elementary, 101-stator core, 102-armature winding, 103-permanent magnet, 104-stator iron core tooth, 105-stator core notch;
200-level, 201-axle, 202-mover iron core, 203-magnetism-isolating loop, 204-annular sector, 205-groove, 206-retainer ring;
The C phase of the A phase of m1, m2, m3-armature winding, A1 and A2-motor, the B phase of B1 and B2-motor, C1 and C2-motor.
Embodiment
The invention provides a kind of bright cylinder type primary permanent magnet formula transverse flux linear motor, for making object of the present invention, clearly, clearly, and the present invention is described in more detail with reference to accompanying drawing examples for technical scheme and effect.Should be appreciated that concrete enforcement described herein is only in order to explain the present invention, is not intended to limit the present invention.
Below, referring to figs. 1 through Figure 11, with unit number of motor phases m=3, number of pole-pairs p=1, n=1 are example, are described in detail to the cylinder type primary permanent magnet formula transverse flux linear motor that the present invention relates to.
As shown in Figures 1 to 5, a kind of cylinder type primary permanent magnet formula transverse flux linear motor provided by the invention, comprises magneto elementary 100 and secondary 200; Magneto elementary 100 is made up of stator core 101, armature winding 102 and permanent magnet 103; Stator core 101 is when length is L, and stator iron core tooth 104 quantity is 2nm=6, and motor pole span is L/2p=L/2; Armature winding 102 is made up of multiple coil, and each coil is wrapped on stator iron core tooth 104 respectively vertically, and form polyphase windings, adjacent two coils are a phase, A, B, C three-phase as shown in Figure 2, and every phase line number of turns is 2n=2, and the bus number of turns is 2nm=6; Permanent magnet 103 is mounted on stator iron core tooth 104 vertically, and form multipole magneto elementary 100, axial adjacent permanent magnet 103 direction of magnetization is contrary, N, S are extremely paired, circumference N, S occur extremely in pairs, and permanent magnet 103 direction of magnetization is radial, and permanent magnet 103 quantity is 4nmp=12.
As shown in Fig. 5 to Figure 10, secondary 200 comprise axle 201, magnetism-isolating loop 203 and mover iron core 202, mover iron core 202 circumference is in one " abnormity is fan-shaped ", " abnormity is fan-shaped " mover iron core 202 cylindrical centerline fluted 205, groove 205 plays mover circumference positioning action, groove 205 position is just to stator core notch 105, " abnormity is fan-shaped " mover iron core 202 is made up of inner side " retainer ring " 206 and outside " annular sector " 204, " annular sector " 204 part be effective magnetic circuit part, for main flux magnetic circuit, axial length is L/2p=L/2, 360 °/nm=120 ° is less than in the shared angle of circumference, 3 mover iron cores 202 1 groups press-fit on axle 201 respectively successively, 3 mover iron cores 202 use m1 respectively as shown in Figure 7, m2 and m3 represents, m1, between m2 and m3, circumference staggers 360 °/nm=120 ° successively, as shown in Figure 6, axially successively at a distance of L/2pm=L/6, as shown in Figure 7, m1, after m2 and m3 has press-fited, press-fit magnetism-isolating loop 203, magnetism-isolating loop 203 axial length is L/2p=L/2, axial-periodic array according to the method described above, form secondary 200, and mover iron core 202 corresponding under same phase winding is axially L/2p apart.
As shown in figure 11, A1 and A2 is connected into A phase winding, B1 and B2 is connected into B phase winding, C1 and C2 is connected into C phase winding, and m1, m2 and m3 be corresponding A phase, C phase and B phase winding respectively.
Concrete case study on implementation of the present invention is only one of case of the present invention; be not intended to limit practical range of the present invention; should be understood that; for those skilled in the art; can also make some improvement and modification under the premise without departing from the principles of the invention, these improve and modify and also should be considered as protection scope of the present invention.
Claims (8)
1. a cylinder type primary permanent magnet formula transverse flux linear motor, comprises magneto primary and secondary; It is characterized in that: described magneto is elementary comprises stator core, armature winding and permanent magnet;
Wherein, described stator core in the form of a ring, within it surface is provided with evenly distributed stator iron core tooth, stator iron core tooth is wound with armature winding coil, described permanent magnet is mounted on the end face of stator iron core tooth, form multipole magneto elementary, the adjacent permanent magnet direction of magnetization is contrary, and permanent magnet magnetizing direction is radial;
Described secondary, comprise axle, magnetism-isolating loop and mover iron core, be evenly distributed with some layers of mover iron core ring vertically, spaced apart by magnetism-isolating loop between each layer mover iron core ring, one deck mover iron core ring and magnetism-isolating loop form one group and press-fit on axle; Described every one deck stator core ring is that the certain angle arrangement of circumferentially staggering successively of the fan-shaped mover iron core of some abnormity is formed, this angle is determined according to the logarithm of the number of phases of motor and every phase stator iron core tooth, also stagger between adjacent mover iron core certain distance vertically, and this distance is determined according to the number of pole-pairs of axial permanent magnet under the length of stator core, each stator iron core tooth and the number of phases of motor.
2. a kind of cylinder type primary permanent magnet formula transverse flux linear motor according to claim 1, it is characterized in that: the fan-shaped mover iron core of described abnormity comprises inner side retainer ring and outside annular sector, the excircle center of described annular sector is provided with groove, and it runs through this mover iron core vertically.
3. a kind of cylinder type primary permanent magnet formula transverse flux linear motor according to claim 2, it is characterized in that: described stator core length is L, motor is m phase, m is positive integer, m≤2, when under each stator iron core tooth, the number of pole-pairs of axial permanent magnet is p, the described stator core number of teeth is 2nm, n is the logarithm of every phase stator iron core tooth, and motor pole span is L/2p, and the angle that on described same layer stator core ring, mover iron core circumferentially staggers successively is 360 °/nm.
4. a kind of cylinder type primary permanent magnet formula transverse flux linear motor according to claim 3, is characterized in that: the distance staggered vertically between adjacent mover iron core is L/pm, m is number of motor phases; Wherein, as m=3, the distance staggered vertically between adjacent mover iron core is L/3p or is L/2p.
5. a kind of cylinder type primary permanent magnet formula transverse flux linear motor according to claim 1, it is characterized in that: described armature winding comprises several coils, each coil is wrapped on stator iron core tooth respectively vertically, wherein, the coil on adjacent two stator iron core tooths is a phase, is connected in series between armature winding coil, every phase line number of turns is 2n, n is the logarithm of every phase stator iron core tooth, and the bus number of turns is 2nm, m is number of motor phases.
6. a kind of cylinder type primary permanent magnet formula transverse flux linear motor according to claim 1, it is characterized in that: described permanent magnet is mounted on stator iron core tooth vertically, form multipole magneto elementary, the axial adjacent permanent magnet direction of magnetization is contrary, N, S are arranged extremely in pairs, on same position on adjacent two stator iron core tooths of circumference, N, S are arranged extremely in pairs, and the direction of magnetization is radial; When the number of pole-pairs of permanent magnet axial under each stator iron core tooth is p, motor is m phase, and m is positive integer, m≤2, and permanent magnet quantity is 4nmp.
7. a kind of cylinder type primary permanent magnet formula transverse flux linear motor according to claim 1, it is characterized in that: described magnetism-isolating loop axial length is L/2p, p is the number of pole-pairs of axial permanent magnet under each stator iron core tooth, when motor is m phase time, m is positive integer, m≤2, press-fit a magnetism-isolating loop every m mover iron core.
8. a kind of cylinder type primary permanent magnet formula transverse flux linear motor according to claim 1, is characterized in that: described cylinder type primary permanent magnet formula transverse flux linear motor is generator or motor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510768816.3A CN105391268B (en) | 2015-11-12 | 2015-11-12 | A kind of cylinder type primary permanent magnet formula transverse flux linear motor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510768816.3A CN105391268B (en) | 2015-11-12 | 2015-11-12 | A kind of cylinder type primary permanent magnet formula transverse flux linear motor |
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| CN105391268A true CN105391268A (en) | 2016-03-09 |
| CN105391268B CN105391268B (en) | 2018-03-09 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448866A (en) * | 2018-04-20 | 2018-08-24 | 中国矿业大学 | A kind of Three phase cylinder-type transverse-flux switched relutance linear motor |
| CN108471220A (en) * | 2018-03-15 | 2018-08-31 | 鲁东大学 | A kind of cylindrical linear motor |
| CN109861484A (en) * | 2019-04-08 | 2019-06-07 | 合肥学院 | Stator permanent magnetic type bipolarity magneticfocusing Transverse Flux Permanent Magnetic Synchronous Machine |
| CN110690807A (en) * | 2019-08-19 | 2020-01-14 | 中国矿业大学 | Cylindrical primary permanent magnet type transverse flux linear motor |
| CN111181259A (en) * | 2020-02-20 | 2020-05-19 | 安徽理工大学 | Linear rotation permanent magnet motor with E-shaped stator structure |
| EP3823143A1 (en) * | 2019-11-13 | 2021-05-19 | Fertigungsgerätebau A. Steinbach GmbH & Co. KG | Drive unit for generating a translatory movement |
| CN113922625A (en) * | 2021-09-15 | 2022-01-11 | 中国人民解放军海军工程大学 | Long primary permanent magnet synchronous motor with annular structure |
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| CN102497081A (en) * | 2011-11-30 | 2012-06-13 | 哈尔滨工业大学 | Magnetic-field modulation-type cylinder-type transverse-flux linear motor |
| JP2014161179A (en) * | 2013-02-20 | 2014-09-04 | Sanyo Denki Co Ltd | Embedded magnet type inductor linear motor |
| CN104242495A (en) * | 2014-09-16 | 2014-12-24 | 广东威灵电机制造有限公司 | Motor stator and motor with motor stator |
| CN104811011A (en) * | 2015-05-26 | 2015-07-29 | 哈尔滨工业大学 | Cylindrical type transverse magnetic-field permanent-magnet flux-switching linear motor |
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2015
- 2015-11-12 CN CN201510768816.3A patent/CN105391268B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102497081A (en) * | 2011-11-30 | 2012-06-13 | 哈尔滨工业大学 | Magnetic-field modulation-type cylinder-type transverse-flux linear motor |
| JP2014161179A (en) * | 2013-02-20 | 2014-09-04 | Sanyo Denki Co Ltd | Embedded magnet type inductor linear motor |
| CN104242495A (en) * | 2014-09-16 | 2014-12-24 | 广东威灵电机制造有限公司 | Motor stator and motor with motor stator |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108471220A (en) * | 2018-03-15 | 2018-08-31 | 鲁东大学 | A kind of cylindrical linear motor |
| CN108448866A (en) * | 2018-04-20 | 2018-08-24 | 中国矿业大学 | A kind of Three phase cylinder-type transverse-flux switched relutance linear motor |
| CN109861484A (en) * | 2019-04-08 | 2019-06-07 | 合肥学院 | Stator permanent magnetic type bipolarity magneticfocusing Transverse Flux Permanent Magnetic Synchronous Machine |
| CN110690807A (en) * | 2019-08-19 | 2020-01-14 | 中国矿业大学 | Cylindrical primary permanent magnet type transverse flux linear motor |
| CN110690807B (en) * | 2019-08-19 | 2022-03-01 | 中国矿业大学 | Cylindrical primary permanent magnet type transverse flux linear motor |
| EP3823143A1 (en) * | 2019-11-13 | 2021-05-19 | Fertigungsgerätebau A. Steinbach GmbH & Co. KG | Drive unit for generating a translatory movement |
| CN111181259A (en) * | 2020-02-20 | 2020-05-19 | 安徽理工大学 | Linear rotation permanent magnet motor with E-shaped stator structure |
| CN113922625A (en) * | 2021-09-15 | 2022-01-11 | 中国人民解放军海军工程大学 | Long primary permanent magnet synchronous motor with annular structure |
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